Chapter Summaries

Key Plot Points and Events

• Gerda, a girl from Village 23, seeks Mash and Ritsuka's help to gather herbs for her ill friend, Lola.
• The group encounters Titans on their way to the herbs, which they defeat without killing.
• They reach Gerda's village, protected by a Rune barrier, and learn about the villagers' living conditions.

Character Developments

• Mash and Ritsuka show kindness and concern for Gerda and her village, demonstrating their compassionate nature.
• Gerda displays courage and determination, leaving her village to find help for Lola.
• Director Fatty appears via video feed, providing guidance and assistance from Chaldea.

Significant Themes

• The harsh living conditions and treatment of humans in the Lostbelt, contrasting with the peaceful village.
• The power of Rune and their use in creating barriers and protection.
• The innocence and naivety of Gerda, highlighting the stark reality of her situation.

Character Interactions

• Mash, Ritsuka, and Shen Fei interact with Gerda, learning about her village and its inhabitants.
• Director Fatty communicates with the group, providing support and questioning Gerda about her village.
• Gerda interacts with her friends and the adults in her village, revealing the dynamics of their society.

Plot Points and Events

• The Norse Lostbelt has only 100 villages, each with 100 people, who must leave at 25 to be crushed by giants.
• The group meets Gerda, a villager who helps them understand the Lostbelt's dynamics.
• An Emissary arrives to perform a ritual, but Mash intervenes. More Emissaries (Valkyries) arrive, and a mysterious Servant, Napoleon, helps defeat them.
• Napoleon reveals that the Crypter is Ophelia, and the King of the Lostbelt is Scathach-Skadi, a fusion of Scathach and the Norse god Skadi.
• Napoleon proposes a plan to infiltrate Scathach-Skadi's palace and negotiate peacefully.

Character Developments

• Gerda shows resilience and kindness, unlike other villagers who accept their fate.
• Mash and Ritsuka are filled with anger and determination to save the villagers.
• Napoleon reveals his past as an Emperor and his current status as a Servant.

Significant Themes

• Acceptance of fate vs. resistance (Gerda, villagers, Mash, Ritsuka)
• The power of negotiation and diplomacy (Napoleon's plan)
• The fusion of mythological figures (Scathach-Skadi)

Character Interactions

• Mash and Ritsuka bond over their desire to save the villagers.
• Mash and Napoleon work together to defeat the Valkyries.
• Shen Fei, Roman, Da Vinci, and Sherlock Holmes discuss the possibility of saving the villagers without the Counter Force's intervention.

Key Plot Points and Events

• Napoleon, Mash, and Ritsuka infiltrate Skadi's ice palace while Shen Fei stays behind.
• Shen Fei encounters Caenis, a Servant from the Argo, and they engage in battle.
• Shen Fei learns that Mash and Ritsuka have been captured and that Sitonai, a Pseudo-Servant, is also imprisoned.
• Napoleon reveals his plan to rescue Sitonai and cut down the Imaginary Tree to save the humans in the Lostbelt.
• Shen Fei summons reinforcements from the Fifth Holy Grail War world, including Scathach, the three Arthurian Kings, Black Jeanne, Ishtar, and Scathach.

Character Developments

• Shen Fei: Shows curiosity about the mythological figures of the Celestial Dynasty and their potential Lostbelts. He also demonstrates his knowledge of various mythologies and Servants.
• Napoleon: Reveals his strategic thinking by allowing himself to be captured to gather information about Sitonai.
• Caenis: Shows anger and humiliation due to her past and the protection of the gods. Her desire to kill gods is fueled by her past experiences.
• Ophelia (Goddess Skadi): Shows a calm and collected demeanor, ordering her Servants and showing no intention of harming Mash and Ritsuka.
• Sitonai: Provides crucial information about Brynhildr, who can deal extra damage to Sigurd, ensuring victory.

Significant Themes

• Luck and Destiny: The discussion about the luck of lancers and the poor endings of those who use spears or similar weapons.
• Power Dynamics: The power struggle between different factions and the need for reinforcements to ensure victory.
• Curiosity and Exploration: Shen Fei's curiosity about other mythological figures and their potential Lostbelts.

Character Interactions

• Shen Fei and Caenis: Engage in a fierce battle, with Shen Fei using his knowledge of Caenis's past to provoke her.
• Shen Fei and Ophelia (Goddess Skadi): Have a brief exchange, with Shen Fei showing recognition of another version of Skadi, Scathach.
• Napoleon and Mash/Ritsuka: Work together to infiltrate the ice palace and later share their findings with Shen Fei.
• Shen Fei and Da Vinci/Sherlock Holmes: Share information and strategize about the situation in the Lostbelt.
• Shen Fei and the summoned Servants: Gather to form a powerful lineup to face Goddess Skadi and her Servants.

Key Plot Points and Events

• The group arrives at the Hall of Flames, guarded by Fire Giants and strange blue creatures.
• They meet Valkyrie Brynhildr, who was sealed there by her sisters and the goddess Skadi.
• Napoleon leads the group to Village Sixty-Seven, where they learn about a gray-clothed man claiming to be from Chaldea.
• The group rushes to Village Twenty-Three to find it under attack by giants, but they mysteriously disappear.
• Chaldea's Submersible is attacked by mass-produced Valkyries and Brynhildr's sisters.
• Brynhildr faces her sisters, defeating Thrud and Hildr, while Ortlinde retreats.
• The group confronts Sigurd and the Cryptor Ophelia, but Brynhildr's Noble Phantasm is ineffective against Sigurd.
• Sherlock Holmes reveals that Sigurd is actually Surtur, the Norse god of fire and the enemy of the gods in Ragnarok.

Character Developments

• Brynhildr: Struggles with her love for Sigurd and her duty as a Valkyrie. Her Noble Phantasm, Gungnir, grows in size and power based on her love and hatred for her target.
• Napoleon: Shows care and concern for the villagers he saved, indicating his growth as a leader and his understanding of his role in this Lostbelt.
• Sherlock Holmes: Demonstrates his analytical skills by deducing Surtur's identity based on the clues presented.

Significant Themes

• Love and duty: Brynhildr's struggle between her love for Sigurd and her duty as a Valkyrie.
• Identity and deception: Surtur's deception as Sigurd and the revelation of his true identity.
• The power of emotions: Brynhildr's Noble Phantasm reflects the power of her emotions, both love and hatred.

Character Interactions

• Brynhildr and Sigurd/Surtur: Their interaction highlights Brynhildr's deep love for Sigurd and her confusion when facing the imposter.
• Napoleon and the villagers: Napoleon's interaction with the villagers shows his caring nature and his bond with them.
• Sherlock Holmes and the group: Holmes' interaction with the group demonstrates his analytical skills and his role as a support character.

Key Plot Points and Events

• Sherlock Holmes identifies the opponent as Surtur, King of the Fire Giants, using various clues.
• Surtur is revealed to have taken over Sigurd's body, planning to use the Chaldea group to destroy it and free himself.
• Surtur's soul escapes Sigurd's body, and he abducts Ophelia, intending to destroy the Lostbelt and the planet.
• Surtur's seeds of the Imaginary Tree attack the group, but they are destroyed. Illya (Sitonai) appears, possessing Illyavon Einzbern's body.
• Surtur begins his march towards Twenty-Three Village, where Gerda is located. The group intercepts him, with Shen Fei using the Chains of Heaven to restrain him.

Character Developments

• Sherlock Holmes demonstrates his exceptional detective skills, unraveling the mystery of Surtur's identity and intentions.
• Ophelia's Mystic Eyes are revealed to have limitations when faced with a single, inevitable future.
• Surtur displays his immense power and disregard for life, even when cornered.
• Illya (Sitonai) shows a sage-like wisdom, contrasting with her usual personality.
• Shen Fei exhibits his strategic thinking and resourcefulness, using the Chains of Heaven to restrain Surtur.

Significant Themes

• The power of destiny and inevitability, as seen through Ophelia's Mystic Eyes and Surtur's single-minded pursuit of destruction.
• The struggle between gods and humans, with Surtur representing divine tyranny and the Chaldea group fighting for human survival.
• The consequences of past actions, as the events of Ragnarok and the Twilight of the Gods shape the current Lostbelt.

Character Interactions

• Sherlock Holmes and Shen Fei work together to deduce Surtur's identity and plan.
• Brynhildr and Sigurd (Surtur) face off, with Brynhildr driven by her love and desire to protect Sigurd's honor.
• Skadi and Scathach finally meet, revealing their different temperaments despite sharing an appearance.
• Mash and Ritsuka worry about Gerda's safety, demonstrating their concern for their friends.
• Illya (Sitonai) and the goddess Skadi argue over names, showcasing their contrasting personalities.

Key Plot Points and Events

• Chaldea uses their combined Noble Phantasms to severely injure Surtur, the Flame Giant King.
• Surtur recovers rapidly due to absorbing the Imaginary Tree, Wide-Brimmed Hat.
• Ophelia uses the Great Command Seal to sever Surtur's connection to the Imaginary Tree, sacrificing her right eye.
• Shen Fei removes Ophelia's Mystic Eye to prevent further damage.
• Surtur focuses his hatred on Ritsuka and uses a Rune of Death on her, but it's an illusion created by Brynhildr.
• Surtur disappears, and Sigurd and Brynhildr's Saint Graphs collapse.
• Skadi reveals her true form and offers a win-win solution: relocate the Lostbelt's inhabitants to a parallel world's Pan-Human History.
• The group decides to find an uninhabited island at sea for the relocation.
• The Imaginary Tree, Wide-Brimmed Hat, is excised, and its significance is discussed.

Character Developments

• Ophelia: Sacrifices her right eye to save the world and the people of the Lostbelt.
• Surtur: Falls in love with Ophelia but seeks to destroy the world for her, displaying yandere tendencies.
• Skadi: Reveals her true form and offers a solution to save the Lostbelt's inhabitants.
• Shen Fei: Uses his swordsmanship to remove Ophelia's Mystic Eye and later opens an Arcane Gate to a parallel world for the relocation.

Significant Themes

• Sacrifice: Ophelia's sacrifice to save the world and the people of the Lostbelt.
• Love and Destruction: Surtur's love for Ophelia leads him to want to destroy the world.
• Coexistence and Compromise: Skadi's solution to save the Lostbelt's inhabitants by relocating them to a parallel world.
• The Significance of Names: The Imaginary Trees' names, Wide-Brimmed Hat and Great Serpent, hint at the vastness of the universe and the potential implications of the Imaginary Numbers.

Character Interactions

• Shen Fei and Ophelia: Shen Fei removes Ophelia's Mystic Eye to prevent further damage, showing concern for her well-being.
• Skadi and the Chaldea Group: Skadi offers a solution to save the Lostbelt's inhabitants, leading to a discussion and agreement among the group.
• Surtur and Ophelia: Surtur's love for Ophelia leads him to want to destroy the world, showing a twisted interpretation of love.
• Sigurd and Brynhildr: The two fight side-by-side and express their desire to meet again, showing their bond and acceptance of their fate.

Key Plot Points and Events

• Skadi, a Norse goddess, cannot directly enter the modern world due to her divine nature.
• The Moon World's concept of "mystery" threatens human history, and the Clock Tower is restoring it by excavating spirit tombs.
• Shen Fei learns about gods, mystery, and the potential consequences of their return.
• Skadi gives Shen Fei an ice jade pendant to summon her as a Servant, and Sitonai leaves a Catalyst as well.
• The Submersible falls into a sea and is rescued by Shion, who leads the Chaldea group to her base at the Wandering Sea.
• Shion explains that the Wandering Sea mages have left, disapproving of modern human society.

Character Developments

• Shen Fei gains a deeper understanding of gods, mystery, and the potential consequences of their return.
• Skadi, as a god, cannot directly interact with the modern world but can do so as a Servant.
• Shion, a student of Tsukbia, is at the Wandering Sea to prevent Humanity's destruction and keep an eye on Chaldea.
• The Wandering Sea mages have left, showing their disapproval of modern human society.

Significant Themes

• The impact of gods on human history and society.
• The restoration of mystery and its consequences.
• The disapproval of modern human society by some mages.

Character Interactions

• Shen Fei interacts with Skadi, learning about gods and mystery.
• The Chaldea group interacts with Shion at the Wandering Sea, learning about the mages' departure and her reasons for being there.
• Skadi and Sitonai leave Catalysts for Shen Fei, showing a level of trust or necessity.

Key Plot Points and Events

• Chaldea arrives at the Wandering Sea, seeking support for humanity's survival, but finds the locals unconcerned.
• Ophelia's defeat and survival are discussed among the Crypters, with Koyanskaya volunteering to eliminate Chaldea's Master.
• Sion analyzes the remaining Lostbelts, prioritizing the Atlantic Lostbelt where Kirschtaria resides.
• Shen Fei considers exploring the Wandering Sea's Magic Workshop but decides against it due to potential risks.
• New Chaldea is completed within the Wandering Sea after two weeks of effort.

Character Developments

• Director Fatty's concern for Chaldea's safety grows, leading him to oppose Shen Fei's exploration of the Wandering Sea.
• Shen Fei demonstrates understanding and respect for the Wandering Sea's power and history, choosing not to disturb its secrets.
• Sion showcases her analytical skills and strategic thinking in prioritizing the Lostbelts.
• Koyanskaya reveals her willingness to eliminate Chaldea's Master, hinting at her resourcefulness and determination.

Significant Themes

• Indifference to Humanity's Fate: The Wandering Sea's inhabitants display a lack of concern for humanity's survival, contrasting with Chaldea's desperation.
• Power Dynamics: The relative strengths of the Mages Association's major powers are highlighted, with the Clock Tower appearing weak compared to the Atlas Institute and the Wandering Sea.
• The Price of Power: The use of Grand Command Seals is shown to have severe consequences, emphasizing the high cost of powerful magic.

Character Interactions

• Shen Fei and Director Fatty: Their dynamic shifts as Director Fatty becomes more protective of Chaldea, opposing Shen Fei's exploration of the Wandering Sea.
• Koyanskaya and the Crypters: Koyanskaya's offer to eliminate Chaldea's Master highlights her willingness to take on dangerous tasks and her understanding of the Crypters' priorities.
• Sion and the Chaldea Crew: Sion's analysis of the Lostbelts brings the crew together, focusing their efforts on the Atlantic Lostbelt.

Key Plot Points and Events

• Shen Fei seeks Shion's help to create a Trismegistus using Soul Steel.
• Chaldea's New Chaldea is invaded by Koyanskaya, who attempts to poison Ritsuka.
• Director Fatty and Ritsuka are poisoned with Celestial Decay Vein, a lethal poison.
• Da Vinci reveals that an antidote is impossible to create with current materials.
• The group decides to postpone their Atlantic Lostbelt expedition to find the antidote in the third Lostbelt.
• Koyanskaya is revealed to have orchestrated the invasion to lure Chaldea to the third Lostbelt.

Character Developments

• Shen Fei learns about the Atlas Institute's high-speed thinking and divided thinking, and considers using Shadow Clones for scientific research.
• Director Fatty's gluttony leads to Koyanskaya's assassination attempt failure.
• Ritsuka's contract with Mash is shown to provide resistance to certain poisons.
• Koyanskaya's true intentions are revealed, showing her manipulative nature.

Significant Themes

• The power of knowledge and technology (Trismegistus, high-speed thinking, divided thinking).
• The consequences of one's actions (Director Fatty's gluttony leading to Koyanskaya's failed assassination).
• Manipulation and deception (Koyanskaya's actions to lure Chaldea).

Character Interactions

• Shen Fei and Shion discuss the creation of a Trismegistus using Soul Steel.
• Director Fatty and Ritsuka are poisoned and must work together to find an antidote.
• Koyanskaya interacts with Kiko Akuta, revealing her true intentions and manipulating her.
• The Chaldea group works together to find a solution to the poison problem and decide on their next course of action.

Key Plot Points and Events

• Chaldea's submersible surfaces in a peaceful, medieval-like environment, contrary to their expectations.
• They encounter villagers and have a tense interaction, leading to a negotiation and compensation for destroyed crops.
• Chaldea discovers a floating steel city (Xianyang) and a space wall in the sky, indicating advanced technology but no old people or knowledge of history.
• They plan to summon Servants but find no reaction from the Spirit Origin box, realizing the Throne of Heroes doesn't exist in this world.
• An emergency alert is received: Xianyang has launched an object (later revealed to be a Royal Gift containing a Servant).

Character Developments

• Sherlock Holmes demonstrates his excellent conversational skills but struggles to gather information from the villagers.
• Da Vinci and Sherlock Holmes attract attention from the villagers due to their appearances.
• Shen Fei notices the unique wheat variety and the absence of old people in the village.

Significant Themes

• The contrast between advanced technology and medieval societal knowledge and culture.
• The absence of the Throne of Heroes and its implications on Heroic Spirits and humanity's wishes.

Character Interactions

• The group works together to handle the villagers' hostility and reach a compromise.
• Da Vinci and Sherlock Holmes interact with the villagers, with Da Vinci negotiating and Sherlock Holmes observing.
• Shen Fei shares his observations with the group, contributing to their understanding of the Lostbelt.

Key Plot Points and Events

• The group lands in the Third Lostbelt and encounters Kiko Akuta, a Crypter, who immediately attacks them.
• Kiko Akuta's Servant, a Saber, battles Mash, but they retreat after realizing they can't penetrate Mash's shield.
• The group discusses Kiko Akuta's strange behavior and decides to summon Servants from Pan-Human History.
• They summon Jing Ke, Mordred, and Spartacus, who help them fight against a hundred mechanical puppet soldiers sent by Kiko Akuta.
• After the battle, they discover that the soldiers are products of Xian Technology, and Nezha reveals his connection to the Lostbelt's origin.
• The First Emperor watches the battle and decides to awaken one of the sleeping generals from Mount Li.

Character Developments

• Kiko Akuta is revealed to be more aggressive and secretive than she appeared in Chaldea.
• Mash demonstrates her strength and skill in battle, effectively defending against the Saber's attacks.
• Nezha's backstory is expanded, revealing his connection to the Lostbelt's technology and the First Emperor.

Significant Themes

• The theme of identity and deception is explored through Kiko Akuta's behavior and Nezha's true nature.
• The power dynamics between the Crypters and the Lostbelt Kings are shown, with Kiko Akuta struggling to gain the First Emperor's trust.
• The theme of technological advancement is present, with the Lostbelt's unique take on Xian Technology being revealed.

Character Interactions

• Mash and Kiko Akuta's interaction is brief but tense, with Kiko Akuta ordering her Saber to attack without explanation.
• Da Vinci, Mash, and Roman discuss Kiko Akuta's behavior and try to understand her motives.
• The newly summoned Servants (Jing Ke, Mordred, and Spartacus) work together to defeat the mechanical puppet soldiers.
• The First Emperor interacts with Kiko Akuta, showing his trust in her but also his awareness of her struggles.
• Nezha shares his knowledge about the Lostbelt's origin with the group, revealing his connection to the First Emperor.

Key Plot Points and Events

• The group discovers a peaceful Lostbelt with unique, high-yield crops and no war or famine.
• They encounter demonic beasts from previous Lostbelts (Roar Beasts, Frost Giants) attacking a nearby village.
• Sherlock Holmes deduces that Koyanskaya, the enemy from the previous Lostbelts, is behind this.
• The group finds the demonic beasts' lair in an underground cave, filled with various monsters from different Lostbelts, including a Demon Seat and a Flame Giant.
• They decide to destroy the nest to ensure the safety of nearby villages.

Character Developments

• Shen Fei: Realizes the complexity of the First Emperor's situation and the challenges of implementing his original plans.
• Mash and Ritsuka: Struggle with the morality of pruning a peaceful Lostbelt.
• Spartacus: Shows compassion by protecting a young boy from seeing the horrors of the attacked village.
• Koyanskaya: Revealed to be orchestrating the demonic beasts' actions, but her motives and origins remain unclear.

Significant Themes

• The morality of intervention in peaceful but oppressive societies.
• The consequences of keeping the people ignorant for the sake of stability.
• The blurred line between right and wrong in Lostbelts and their relation to Pan-Human History.

Character Interactions

• Sherlock Holmes and Da Vinci: Collaborate in investigating the demonic beasts' origins and lair.
• Mash and Ritsuka: Face moral dilemmas together and support each other.
• Spartacus and the boy: Spartacus protects the boy from witnessing the village's destruction.
• The First Emperor and Han Xin: Discuss the Qin Dynasty's biggest problem, hinting at future challenges.

Key Plot Points and Events

• Han Xin, a strategist, joins Great Qin and suggests investigating Chaldea.
• The group eliminates the Demon Seat and Fire Giants, and Jing Ke extracts essence for wine.
• Upon returning, they find Director Fatty and Ritsuka poisoned. Shen Fei realizes Ritsuka's condition is deteriorating.
• Shen Fei borrows Nezha's Wind Fire Wheels and Flame Spear for research.
• A rocket targets Chaldea, carrying Xiang Yu, who is revealed to be a mechanical puppet. He engages in a power test with Nezha.
• Kiko Akuta and her Servant appear, revealing Xiang Yu's identity. They leave with him.

Character Developments

• Han Xin proves his strategic prowess by suggesting investigating Chaldea.
• Ritsuka and Director Fatty's health worsens due to the poison.
• Shen Fei demonstrates his power by projecting Excalibur and borrows Nezha's Noble Phantasms.
• Mordred learns about the Arthurian King's acknowledgment of her.
• Xiang Yu is revealed to be a mechanical puppet, challenging the group's understanding of the Lostbelt.
• Kiko Akuta shows a rare smile when seeing Xiang Yu, surprising Mash.

Significant Themes

• The power of strategy and planning (Han Xin, Great Qin's unification).
• The consequences of poison and the search for an antidote (Ritsuka, Director Fatty).
• The blurring of lines between humans and machines (Xiang Yu's mechanical puppet form).
• The complexity of relationships and loyalties (Kiko Akuta's reaction to Xiang Yu).

Character Interactions

• Han Xin and the First Emperor discuss strategy.
• The group discusses brewing wine with the Demon Seat's essence.
• Shen Fei and Nezha discuss borrowing Noble Phantasms.
• Mordred and the others fight against Xiang Yu.
• Mash interacts with Kiko Akuta, who ignores her.

Key Plot Points and Events

• Chaldea decides to act after more enemy forces approach.
• Chaldea's Servants engage in battle with Kiko Akuta's Servant (Saber) and Xiang Yu.
• The First Emperor intervenes, communicating through Mash's shield, and offers to hand over Koyanskaya in exchange for investigating Chaldea's vehicle.
• Chaldea agrees to the conditions.
• The First Emperor reveals that the Great Wall is now in orbit, built to defend against extraterrestrial threats.
• It's revealed that the First Emperor has a mechanical body, the Sacred Body.

Character Developments

• Xiang Yu shows remorse for his failure and pleads for forgiveness.
• Kiko Akuta is revealed to have been hiding information about the Imaginary Tree.
• The First Emperor demonstrates his power and confidence, revealing his mechanical body.
• Jing Ke's assassination attempt is thwarted due to the First Emperor's mechanical body.

Significant Themes

• The power dynamics between the First Emperor and Chaldea.
• The technological advancements and unique history of the Lostbelt.
• The theme of deception and understanding one's enemy.

Character Interactions

• Chaldea's Servants work together to capture Kiko Akuta's Servant.
• The First Emperor communicates with Chaldea, attempting to gain information about their vehicle.
• Da Vinci attempts to engage the First Emperor in conversation to create an opportunity for Jing Ke's assassination attempt.
• Han Xin congratulates the First Emperor on his successful negotiation with Chaldea.

Key Plot Points and Events

• The First Emperor's satellite orbital Great Wall is not a weapon against his people, as Great Qin has already unified the world and faces no external enemies.
• Chaldea discusses the First Emperor's request for the Submersible data and decides to use this opportunity to excise the Lostbelt.
• The First Emperor rewards the villagers with an Imperial Gift, a pill that enhances immunity but also has lethal side effects for the elderly.
• Chaldea members notice the absence of elderly people in the village and realize the pill's true purpose.

Character Developments

• The First Emperor is revealed to be aware of the Storm Wall but believes it only isolates him from his Empire, not the entire world.
• Sherlock Holmes demonstrates his analytical skills and understanding of human nature when discussing the Imperial Gift's implications.
• Ritsuka and Mash express their reservations about excising this peaceful Lostbelt, highlighting their empathy and concern for humanity's well-being.

Significant Themes

• The consequences of perfection: The First Emperor's attempt to create a perfect world has led to stagnation and the loss of humanity's potential for growth and progress.
• The value of struggle and conflict: While peace is desirable, complete absence of conflict can hinder human development and resilience.
• The responsibility of rulers: The First Emperor's actions raise questions about the limits of a ruler's power and the potential consequences of their decisions.

Character Interactions

• Sherlock Holmes and Shen Fei discuss the Imperial Gift's implications, leading to a deeper understanding of the Lostbelt's issues.
• Ritsuka and Mash share their concerns about excising the Lostbelt, demonstrating their empathy and humanity.
• Chaldea members strategize about how to handle the First Emperor and excise the Lostbelt, showcasing their teamwork and determination.

Key Plot Points and Events

• The chapter introduces the possibility of aliens in the Moon World, with the Moon Cell being a relic created by non-human intelligent life forms.
• Sherlock Holmes explains the side effects of the First Emperor's medicine, causing Jing Ke to turn against him.
• The group learns about the high grain yield and its use in producing ethanol for energy in the Imperial Capital.
• Lanling Wang and Mash fight, with Lanling Wang attempting to assassinate Ritsuka. The First Emperor punishes Kiko Akuta for disobeying his orders.
• Shen Fei plans to visit the First Emperor to discuss a peaceful resolution.
• Kiko Akuta reveals Xiang Yu's true identity and history to the Kuaiji Zero Model.
• Shen Fei offers Kiko Akuta and Xiang Yu a peaceful world to live in, away from Chaldea and Lostbelts, in exchange for their help in cutting down the Imaginary Tree.

Character Developments

• Sherlock Holmes remains objective and focused on finding the truth, even when dealing with Lostbelts.
• Jing Ke's loyalty to Ritsuka is shown when she guards him from Lanling Wang's assassination attempt.
• Kiko Akuta's true identity as Yu Ji is revealed, showing her long lifespan and knowledge of historical figures.
• Shen Fei demonstrates his ability to travel between parallel worlds and offers Kiko Akuta and Xiang Yu a peaceful life in exchange for their cooperation.

Significant Themes

• The truth and its importance, as emphasized by Sherlock Holmes.
• The consequences of disobedience, shown through the First Emperor's punishment of Kiko Akuta.
• The search for a peaceful life, as sought by Kiko Akuta and Xiang Yu, and offered by Shen Fei.

Character Interactions

• Sherlock Holmes, Mash, and Ritsuka discuss the side effects of the First Emperor's medicine and their determination to excise the Lostbelt.
• Qin Liangyu separates Lanling Wang and Mash during their fight and learns about the assassination attempt on Ritsuka.
• Shen Fei offers Kiko Akuta and Xiang Yu a peaceful world to live in, leading to their agreement to help him cut down the Imaginary Tree.

Key Plot Points and Events

• Shen Fei decides not to make a deal with Kiko Akuta due to her disregard for humanity and Xiang Yu's feelings.
• Kiko Akuta reveals she made a deal with the First Emperor for Xiang Yu's model, with the condition that the First Emperor analyze her immortal body.
• Shen Fei, Kiko Akuta, and Xiang Yu return to the Lostbelt and meet the First Emperor in Xianyang City.
• Shen Fei shows the First Emperor his world's Great Qin Empire and offers a deal for some of his technology to aid future Great Qin emperors.

Character Developments

• Shen Fei: Shows respect for Xiang Yu's sacrifice and understanding of humanity's nature. He tries to reason with the First Emperor and make a deal for the benefit of future Great Qin emperors.
• Kiko Akuta: Reveals her deal with the First Emperor and her disdain for humanity, but also shows concern for Xiang Yu's well-being.
• First Emperor (Ying Zheng): Shows anger at Shen Fei's evaluation of his kingdom as 'dead' but is interested in the deal Shen Fei offers.

Significant Themes

• Humanity and Immortality: The contrast between Kiko Akuta's immortality and her resentment towards humanity, and Shen Fei's understanding of humanity's nature.
• Great Qin Empire: The comparison between the Lostbelt's Great Qin Empire and Shen Fei's world's Great Qin Empire, highlighting the differences in their paths to immortality and world governance.

Character Interactions

• Shen Fei and Kiko Akuta: Shen Fei tries to reason with Kiko Akuta about integrating with humanity to avoid exposure, while Kiko Akuta expresses her resentment towards humanity.
• Shen Fei and the First Emperor: Shen Fei shows the First Emperor his world's Great Qin Empire and offers a deal, while the First Emperor is initially angered by Shen Fei's evaluation of his kingdom but is interested in the deal.
• Kiko Akuta and the First Emperor: Kiko Akuta reveals her deal with the First Emperor for Xiang Yu's model, and the First Emperor shows interest in analyzing her immortal body.

Key Plot Points and Events

• Shen Fei, a world trader, meets the First Emperor of the Lostbelt and discusses a trade, but hesitates due to the Lostbelt's situation.
• The First Emperor agrees to give Shen Fei some technology and resources but keeps the Submersible.
• The First Emperor reveals he obtained his immortal body through research, not the Fusang Tree.
• Kiko Akuta, with Xiang Yu, decides to stay and witness the Lostbelt's end.
• The First Emperor orders an attack on Chaldea due to their actions in the Lostbelt, but Spartacus and the Servants defend against it.
• Shen Fei tries to contact Chaldea but finds communication down. He learns that the Submersible was taken but is now back in Chaldea's hands.
• The First Emperor disassembles and reassembles the Submersible, leaving a screw and a note, angering Da Vinci.

Character Developments

• Shen Fei: Shows hesitation in trading with the First Emperor due to the Lostbelt's situation. He's willing to help Chaldea but is cautious due to the First Emperor's power.
• First Emperor: Reveals his research enthusiasm and his belief in annihilating potential threats. He shows respect for the Servants' power but remains confident in his abilities.
• Kiko Akuta: Decides to stay and witness the Lostbelt's end, showing concern for Xiang Yu's feelings.
• Da Vinci: Gets angry when she sees the screw left by the First Emperor on the Submersible.

Significant Themes

• The power of knowledge and research vs. the power of Servants.
• The consequences of suppressing freedom of thought and expression.
• The First Emperor's belief in annihilating potential threats vs. Chaldea's belief in teaching and guiding.

Character Interactions

• Shen Fei and the First Emperor: They discuss trade and the Lostbelt's situation. The First Emperor shows respect for Shen Fei's strength but remains firm in his beliefs.
• Kiko Akuta and Xiang Yu: Kiko Akuta decides to stay due to Xiang Yu's feelings.
• Da Vinci and the First Emperor: Da Vinci gets angry at the First Emperor's actions towards the Submersible.
• Chaldea and the First Emperor: Chaldea defends against the First Emperor's attack, showing the power of the Servants.

Key Plot Points and Events

• The First Emperor modifies the Submersible into a Tiger Tank, which Chaldea faces in battle.
• Chaldea rescues their captured members in Xianyang.
• The First Emperor dismisses his ministers and prepares to face Chaldea himself.
• Shen Fei restrains Qin Liangyu from fighting Chaldea and leads them to the Submersible.
• Chaldea plans to create an antidote for Koyanskaya using the Fusang Tree's leaves.
• Han Xin, the Captain of the Guards, and Qin Liangyu block Chaldea's path, leading to a confrontation.

Character Developments

• The First Emperor's actions appear contradictory, using strong measures against minor threats but not against Chaldea.
• Qin Liangyu's loyalty to her world is unwavering.
• Han Xin and the Captain of the Guards reveal their desire for battle and challenge.
• Koyanskaya's true intentions are revealed as she seeks to use the Imaginary Tree against the First Emperor.

Significant Themes

• The contrast between ancient and modern perspectives, as seen through Shen Fei's observations.
• The consequences of immortality and power, as reflected in the First Emperor's actions and the fate of his ministers.
• The struggle between loyalty and self-preservation, exemplified by Qin Liangyu and the other Great Qin figures.

Character Interactions

• Shen Fei and the First Emperor have a tense relationship, with Shen Fei observing and trying to understand the Emperor's actions.
• Da Vinci and Shen Fei maintain communication, with Da Vinci expressing displeasure at the modifications made to the Submersible.
• Chaldea members work together to rescue their captured comrades and face the challenges in the Treasure Vault.
• Han Xin, the Captain of the Guards, and Qin Liangyu confront Chaldea, leading to a standoff.

Key Plot Points and Events

• Kiko Akuta cuts down the Imaginary Tree to prevent Koyanskaya from using it to cause trouble.
• The First Emperor appears, having completed a body of immortalization and survived Jing Ke's assassination attempt.
• The First Emperor challenges Ritsuka and Chaldea to a battle for survival, using human bodies to represent their worlds.
• Ritsuka and Chaldea defeat the First Emperor, who concedes and allows them to leave.
• Chaldea returns to the Submersible, and Shion reports that the Storm Wall has disappeared.
• Shen Fei stays behind in the Lostbelt to fulfill a promise to Kiko Akuta regarding Xiang Yu's body.

Character Developments

• Kiko Akuta shows concern for Xiang Yu's well-being, indicating a change in her priorities.
• Ritsuka demonstrates her resolve and determination in the face of the First Emperor's challenge.
• The First Emperor reveals his curiosity about the definition of Lostbelts and Pan-Human History.

Significant Themes

• The struggle for survival and the lengths one would go to protect their world.
• The blurred line between Lostbelts and Pan-Human History, and the difficulty in defining them.
• The consequences of breaking contracts and exploiting loopholes, as seen with Koyanskaya's actions.

Character Interactions

• Kiko Akuta and Koyanskaya's tense relationship, with Kiko Akuta dealing with Koyanskaya's interference.
• Ritsuka and the First Emperor's philosophical debate about the nature of their worlds.
• Shen Fei and Kiko Akuta's interaction, with Shen Fei promising to help Xiang Yu after leaving the Moon Cell.